if (document.images) 
{
image1 = new Image(); image1.src = "images/logo_sb.png";
image2 = new Image(); image2.src = "images/free_survey.png";
image3 = new Image(); image3.src = "images/free_surveyl.png";
image4 = new Image(); image4.src = "images/home_stepb11.gif";
image5 = new Image(); image5.src = "images/home_stepb12.gif";
image6 = new Image(); image6.src = "images/home_stepb21.gif";
image7 = new Image(); image7.src = "images/home_stepb22.gif";
image8 = new Image(); image8.src = "images/home_stepb31.gif";
image9 = new Image(); image9.src = "images/home_stepb32.gif";
image10 = new Image(); image10.src = "images/home_stepb41.gif";
image11 = new Image(); image11.src = "images/home_stepb42.gif";
}